Salt-covered Surfaces of Lakes Torrens and Gairdner, Australia

The large white areas in the upper left quadrant of this image of Southern Australia are Lake Torrens and Lake Gairdner, two large salt lakes. The former lies between the Arcoona Plateau to the west and the Flinders Ranges to the east. It stretches approximately 200km in length and 30km in average width. It has a thin salt crust with red-brown clays beneath which are soft and boggy. Lake Gairdner is a large endorheic lake, over 160 km long and 48 km across with salt over 1.2 metres (4 ft) thick in some places.